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| 型号： | MCZ33991EGR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 3/36页 |
| 文件大小： | 0K |
| 描述： | IC GAUGE DRIVER SPI 24-SOIC |
| 标准包装： | 1,000 |
| 应用： | 步进电机驱动器，2 相 |
| 输出数： | 2 |
| 电流 - 输出： | 100mA |
| 电源电压： | 6.5 V ~ 26 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 带卷 (TR) |
第1页第2页当前第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页
PIN CONNECTIONS
PIN CONNECTIONS
COS0+
COS0
SIN0+
SIN0
GND
GND
GND
GND
CS
SCLK
SO
SI
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
COS1+
COS1-
SIN1+
SIN1-
GND
GND
GND
GND
V PWR
RST
V DD
RTZ
Table 1. 33991 Pin Definitions
Pin Number
1
2
3
4
5-8
9
10
11
12
13
14
Pin Name
COS0+
COS0-
SIN0+
SIN0-
GND
CS
SCLK
SO
SI
RTZ
V DD
Definitions
H-Bridge Output. This is the output pin of a half bridge, designed to source or sink current. The H-Bridge
pins linearly drive the sine and cosine coils of two separate stepper motors to provide four-quadrant
operation.
H-Bridge Output. This is the output pin of a half bridge, designed to source or sink current. The H-Bridge
pins linearly drive the sine and cosine coils of two separate stepper motors to provide four-quadrant
operation.
H-Bridge Output. This is the output pin of a half bridge, designed to source or sink current. The H-Bridge
pins linearly drive the sine and cosine coils of two separate stepper motors to provide four-quadrant
operation.
H-Bridge Output. This is the output pin of a half bridge, designed to source or sink current. The H-Bridge
pins linearly drive the sine and cosine coils of two separate stepper motors to provide four-quadrant
operation.
Ground. These pins serve as the ground for the source of the low-side output transistors as well as the
logic portion of the device. They also help dissipate heat from the device.
Chip Select. This pin is connected to a chip select output of a LSI IC. This IC controls which device is
addressed by pulling the CS pin of the desire device low, enabling the SPI communication with the device,
while other devices on the serial link keep their serial outputs tri-stated. This input has an internal active
pull-up, requiring CMOS logic levels. This pin is also used to calibrate the internal clock.
Serial Clock. This pin is connected to the SCLK pin of the master device and acts as a bit clock for the
SPI port. It transitions on time per bit transferred at an operating frequency, fSPI, defined in the Coil Output
Timing Table. It is idle between command transfers. The pin is 50 percent duty cycle, with CMOS logic
levels. This signal is used to shift data to and from the device.
Serial Output. This pin is connected to the SPI Serial Data Input pin of the master device, or to the SI pin
of the next device in a daisy chain. This output will remain tri-stated unless the device is selected by a low
CS signal. The output signal generated will have CMOS logic levels and the output will transition on the
rising edges of SCLK. The serial output data provides status feedback and fault information for each output
and is returned MSB first when the device is addressed.
Serial Input. This pin is connected to the SPI Serial Data Output pin of the master device from which it
receives output command data. This input has an internal active pull down requiring CMOS logic levels.
The serial data transmitted on this line is a 16-bit control command sent MSB first, controlling the gauge
functions. The master ensures data is available on the falling edge of SCLK.
Multiplexed Output. This multiplexed output pin of the non-driven coil during an RTZ event.
Voltage. This SPI and logic power supply input will work with 5.0 V supplies.
33991
Analog Integrated Circuit Device Data
Freescale Semiconductor
3
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